.zong{
    width: 100%;
    height:80rem;
    background-color:#f7f6f5;
}

.shiyong{
    margin-top: 3rem;
    border-radius: 1rem;
    margin-left: 5rem;
    width:80%;
    height:12rem;
    background-color:#ffffff;
}
.shiyong_title{
    padding-top: 1rem;
    padding-left: 1rem;
    font-size: 1.5rem;
    font-family:cursive;
}
.shiyong_bottom{
    display: flex;
    height: 10rem;
}
.shiyong_item{
    padding-left: 4rem;
    padding-top: 1rem;
    width:5rem;
    height:8rem;
}
.shiyong_img{
    width:5rem;
    height:5rem;
}
.shiyong_text{
    text-align: center;
    font-size: 1.2rem;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
